1) Contributions: Tax free in /tax free out â An investor can take out the exact amount of his or her Roth IRA contributions at any time, for any reason without having to pay any tax or penalty â with one big caveat.
Freebase(0.00 / 0 votes)Rate this definition: Stereopsis is the impression of depth that is perceived when a scene is viewed with both eyes by someone with normal binocular vision. Binocular viewing of a scene creates two slightly different images of the scene in the two eyes due to the eyes' different positions on the head.
Main article: Stereopsis. The overlapping of vision occurs due to the position of the eyes on the head (eyes are located on the front of the head, not on the sides). This overlap allows each eye to view objects with a slightly different viewpoint. As a result of this overlap of vision, binocular vision provides depth.